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A return mechanism of wedge mold movable block

A live block and wedge technology, which is applied in the field of the live block return mechanism of the wedge die, can solve the problems of wear and failure of the wedge active plate, increase the friction force of the wedge active plate, etc., so as to improve production efficiency, reduce friction, cost reduction effect

Active Publication Date: 2016-08-03
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a wedge mold movable piece return mechanism to solve the problem that the existing wedge mold movable piece return mechanism increases the friction force between the wedge active plates, causing the wedge active plate to wear out and become invalid

Method used

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  • A return mechanism of wedge mold movable block
  • A return mechanism of wedge mold movable block
  • A return mechanism of wedge mold movable block

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Embodiment Construction

[0020] like figure 1 As shown in the figure, it is a schematic diagram of the return stroke structure of the movable block of the wedge mold in the existing mold technology by the elastic element. Wherein, one end of spring 5 is installed on the movable block 2, and the other end of spring 5 is connected with one end of pressing plate 6; After the stamping is completed, the elastic force of the spring on the movable block makes the movable block complete the return action. But spring compression when movable block rises, wedge active plate 4 needs to overcome the frictional force that spring produces to it. The frictional force increases, and the wedge driving plate is easy to wear and fail.

[0021] like Figure 2 to Figure 5 As shown, a wedge mold movable block return mechanism includes a sliding block 1 arranged on the lower mold base, a movable block 2 arranged on the punch and a wedge active plate arranged between the sliding block 1 and the movable block 2 4. Descri...

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Abstract

The invention discloses a movable block return mechanism of a wedge mold, which comprises a sliding block arranged on a lower mold base and a movable block arranged on a punch; the sliding block is provided with a lower wedge active plate, and the The movable block is provided with an upper inclined wedge active plate matched with the lower inclined wedge active plate; the lower mold base is provided with a cylinder driving mechanism for driving the movable block to return. During the return process of the movable block, the pulling force generated by the cylinder makes it return. During the movable rising process of the punch, the upper and lower wedge active plates under the movable block only need to overcome the frictional force produced by the self-weight of the movable block and can. The frictional force is small, which reduces the wear between the upper and lower wedge active plates, and the wedge active plate has low loss and long service life, thereby reducing the cost of stamping dies and improving production efficiency.

Description

technical field [0001] The invention relates to the technical field of pressure manufacturing process equipment, in particular to a return mechanism of a wedge mold movable block. Background technique [0002] Automobile body panel mold is a mold with high requirements and difficult processing in automobile body manufacturing, and it is also a rapidly developing cold stamping process equipment in my country's electromechanical product manufacturing. The compound wedge mold is one of the commonly used molds for automobile body panels. After the stamping is completed, the movable block on the existing reciprocating wedge die is to be completed by the elastic element to complete the return action of the movable block. Adopting this structure makes the return stroke of the movable block after stamping completed, so that the wedge active plate arranged under the movable block needs to overcome the frictional force exerted by the elastic element on it when the movable block rises...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D37/10
Inventor 徐磊
Owner CHERY AUTOMOBILE CO LTD
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